<mime-type type="text/x-makefile">
    <_comment>Makefile build file</_comment>
    <magic priority="20">
      <!-- Only magic for default autoconf/automake produced ones -->
      <match value="# Makefile.in generated by" type="string" offset="0"/>
      <!-- Not exhaustive, and most people don't set this! -->
      <match value="#!make" type="string" offset="0"/>
      <match value="#!/usr/bin/make" type="string" offset="0"/>